ZF 4699.170.074 MOTOR | OEM Genuine Part

Overview

The ZF 4699.170.074 MOTOR is a critical hydraulic actuation component within ZF powershift transmissions, specifically engineered for demanding construction machinery applications. This OEM genuine part converts hydraulic pressure into precise mechanical force to engage clutch packs and control gear selection. Positioned within the transmission valve body assembly, the 4699.170.074 motor ensures smooth, reliable shifting under heavy load conditions. As an original equipment manufacturer component, it guarantees exact fitment and performance specifications required for ZF drivetrain systems. The SKU 4699.170.074 is frequently replaced alongside the 4699025044 GP25 and 4699101070 HOUSING during major transmission overhauls.

Symptoms of Failure

• Delayed or harsh gear engagement — When the motor loses internal seal integrity, hydraulic pressure drops, causing noticeable lag when shifting from neutral to drive or reverse. This symptom often appears alongside 4699102130 INPUT wear.
• Intermittent transmission slipping under load — A failing 4699.170.074 motor may allow clutch packs to partially disengage during operation, particularly when the machine is under heavy digging or lifting stress.
• Hydraulic fluid contamination — Internal wear particles from the motor can circulate through the system, accelerating wear on the 4699103104 OUTPUT and other valve body components.
• Erratic shift patterns — The transmission may unexpectedly upshift or downshift as the motor fails to maintain consistent hydraulic command signals.

Technical Specifications

Compatibility

This motor is designed for ZF powershift transmissions commonly used in wheel loaders, excavators, and telehandlers. Compatible models include the WG180, WG200, WG210, and 4WG200 series. It also fits select 3WG and 6WG transmission variants found in construction machinery from manufacturers such as Caterpillar, Volvo, and Liebherr. Always verify your transmission model code before ordering.

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